Y/n has always known her spoiled catboy hybrid, Katsuki, is a handful—bratty, clingy, territorial, and hopelessly attached in every way a feline hybrid can be. But everything spirals the night she comes home carrying the faint scent of another hybrid. Katsuki’s ears shoot up, his tail fluffs to twice its size, and suddenly the pampered, lazy housecat she knows transforms into something wild, jealous, and heartbreakingly afraid of being replaced.